Installing Doug Thorley Headers on a Toyota 4Runner (5VZ-FE Engine)

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In this video we show you how to upgrade your Toyota 4Runner with the 5VZ-FE engine by installing Doug Thorley Headers! In this video, we walk you through the entire installation process, from showing what comes in the box to the first test drive. Whether you’re looking for improved performance, better exhaust flow, or a more aggressive sound, these headers are a game-changer for your rig.

GIVEAWAY CLOSED 11/27/24
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~ Instagram Handle: @DougThorleyHeaders
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US residents only

These are the headers showcased in this video:
https://dougthorleyheaders.com/produc...

🔧 What You’ll Learn:
Proper installation techniques for Doug Thorley Headers
Tips to avoid common issues and snags you might run into
Post-installation sound comparison and performance thoughts

👉 Helpful OEM Parts:
*OEM Exhaust Manifold Gasket: 17173-62060 https://ebay.us/51uT0D
*SHORTER OEM Exhaust Stud: 90116-10149 https://ebay.us/iMR7gj
*LONGER OEM Exhaust Stud with Thread Seal: 90116-10150
*OEM Exhaust Nut: 90080-17187
*CAT Pipe OEM Bolt: 90105-10388
*CAT Pipe OEM Nut: 90179-10133
*OEM Exhaust Gasket: 90917-06041 https://ebay.us/ekLM7S

👉 Helpful Tools:
If you're looking for other tools not used in this video, check out Timmy's Master Tool List.
https://www.amazon.com/shop/timmythet...

*6 Ton Jack Stands https://amzn.to/2MM91w6

*Heavy Duty Rubber Wheel Chock (This is just one. I recommend buying two) https://amzn.to/3lNC3MG

*1/4" and 3/8" Flex Head Ratchet Set https://amzn.to/2ql8nNA

*Stubby 3/8” Flex Head Ratchet - (it use to be available for sale separately but now we can only find it as part of this 4-piece set) https://amzn.to/39kQVit

*Flex Head Box End Wrench Set https://amzn.to/31x8BOo

*1/2" Drive Deep Metric Impact Socket Set https://amzn.to/2WfSTGD

*1/2" Drive Shallow Impact Socket Set https://amzn.to/2pCrdPQ

*1/4" Drive Socket Set https://amzn.to/2PfmaQb

*3/8" Drive Deep Impact Socket Set https://amzn.to/2ZWjY6C

*3/8” Drive Shallow Impact Socket Set https://amzn.to/2KnoYaq

*External Torx Socket Set https://amzn.to/2RgdpGi

*3/8” Drive Regular Extension Set https://amzn.to/2OehCao

*3/8” Drive Wobble Extension Set https://amzn.to/2XjZyju

*1/4” Drive Regular Extension Set https://amzn.to/2O9nl2x

*Milwaukee M12 3/8” Cordless Ratchet https://amzn.to/2utRZsE

*Milwaukee M12 3/8” Cordless Extended Reach Ratchet
https://amzn.to/3kOsUS6

*Milwaukee Cordless Drill https://amzn.to/3MVttYe

*Milwaukee M12 Battery https://amzn.to/3FJZO1j

*Milwaukee M12 High Capacity Battery https://amzn.to/2HEFTpu

*Milwaukee M12 Battery Charger https://amzn.to/2uo2o9x

*Milwaukee M12 Die Grinder https://amzn.to/3V4Spnd

*1/4” Die Grinder Abrasive Disk Set https://amzn.to/30Zn33K

*Dewalt Angle Grinder/Cutter https://amzn.to/2LtTJvg

*Dewalt Cutting Disks https://amzn.to/2Pn3zjk

*CDI 3/8" Drive 10-100 Foot Pound Torque Wrench
https://amzn.to/2U2vUA4

*Butane Torch https://amzn.to/2L0IeuR

*Mapp Gas https://amzn.to/34nVnG8

*Kroil Penetrant https://amzn.to/35SuHxr


The Following is a List of Welding Tools Ideas, since there was a welding modification that we had to do to the Transmission Dipstick Bracket.

*Hobart 210 MVP Mig Welder https://amzn.to/340xWUY

*Welding Cart https://amzn.to/3oCaXYg

*80 Cu/Ft 75% Argon / 25% CO2 Welding Gas Cylinder
https://amzn.to/2JQQRLa

*Welding Cord Adapter - (So you can plug in welder to 220 power via you clothes drier outlet) https://amzn.to/2IBaG8L

*25’ Heavy Duty Welding Extension Cord https://amzn.to/39YULw4

*Auto Darkening Welding Helmet https://amzn.to/376S89T

*Welding Gloves https://amzn.to/2IzFuqi

*Welding Jacket https://amzn.to/3m36tbl

*Arrow Welding Magnet 6 Pack Set https://amzn.to/372j8qY

*4 Piece Magnetic V-Pad Kit - (Adjustable magnetic tools to hold material in place while you tack weld it) https://amzn.to/374CJqx

*Welding Pliers https://amzn.to/3409S4S


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#Toyota4Runner #DougThorleyHeaders #5VZFE #4RunnerMods #ExhaustUpgrade #PerformanceExhaust #SICMODS